423 Diotima
| Discovery A | |
|---|---|
| Discoverer | Auguste Charlois |
| Discovery Date | December 7, 1896 |
| Alternate Designations | 1896 DB B |
| Category | Main belt (Eos) |
| Orbital Elements C Epoch 30 January, 2005 (JD 2453400.5) | |
| Eccentricity (e) | 0.041 |
| Semi-Major Axis (a) | 458.683 Gm (3.066 AU) |
| Perihelion (q) | 439.945 Gm (2.941 AU) |
| Aphelion (Q) | 477.421 Gm (3.191 AU) |
| Orbital Period (P) | 1960.969 d (5.37 a) |
| Mean Orbital Speed | 17.01 km/s |
| Inclination (i) | 11.24° |
| Longitude of the Ascending Node (Ω) | 69.564° |
| Argument of Perihelion (ω) | 207.473° |
| Mean Anomaly (M) | 179.514° |
| Physical Characteristics | |
| Dimensions | 209.0 km |
| Mass | unknown |
| Density | unknown |
| Surface Gravity | unknown |
| Escape Velocity | unknown |
| Rotation Period | unknown |
| Spectral Class | C |
| Absolute Magnitude | 7.24 |
| Albedo | unknown |
| Mean Surface Temperature | unknown |
423 Diotima (dye'-a-tye'-ma, Latin Diotīma, from Greek) is a one of the largest Main belt asteroids. It is classified as a C-type asteroid and is probably composed of privitive carbonates.
It was discovered by Auguste Charlois on December 7, 1896 in Nice.
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